• Webster's Revised Unabridged Dictionary
    • v. t Disentail (Law) To free from entailment.
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Century Dictionary and Cyclopedia
    • disentail To free from entail; break the entail of: as, to disentail an estate.
    • disentail To free from connections; divest.
    • n disentail The act or operation of disentailing or breaking the entail of an estate.
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Chambers's Twentieth Century Dictionary
    • v.t Disentail dis-en-tāl′ to break the entail of (an estate): to divest
    • n Disentail the act of disentailing
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In literature:

By his act only could it be disentailed, and as he was not born, he could perform no such act.
"The International Magazine, Volume 2, No. 3, February, 1851" by Various